12756714776 has 32 divisors (see below), whose sum is σ = 26143224240. Its totient is φ = 5799835008.

The previous prime is 12756714757. The next prime is 12756714781. The reversal of 12756714776 is 67741765721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908411 + ... + 922346.

Almost surely, 2^12756714776 is an apocalyptic number.

It is an amenable number.

12756714776 is an abundant number, since it is smaller than the sum of its proper divisors (13386509464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12756714776 is a wasteful number, since it uses less digits than its factorization.

12756714776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830843 (or 1830839 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 53.

The spelling of 12756714776 in words is "twelve billion, seven hundred fifty-six million, seven hundred fourteen thousand, seven hundred seventy-six".